Card Number Validation in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 298th Andrey-Plotnikov 775 83 13 Jan 2025 302nd adriweb 🇫🇷 775 102 5 Oct 2024 303rd DialFrost 🇸🇬 773 76 30 Aug 2025 304th sean-niemann 🇺🇸 771 105 1 Oct 2024 305th Shanethegamer 🇺🇸 771 120 11 days ago 306th emgordon154 770 83 18 Nov 2024 307th sisyphus-ppcg 🇦🇺 769 62 3 Oct 2024 308th retrohun 769 63 2 Oct 2024 309th DialFrost 🇸🇬 769 91 1 Oct 2024 310th Natanaelel 🇸🇪 769 143 20 Apr 2025 311th emgordon154 768 166 2 Oct 2024 312th lifthrasiir 🇰🇷 767 37 27 Nov 2024 313th Waffle3z 767 103 2 Oct 2024 314th targrik 766 88 7 Feb 2025 315th didion0 🇺🇸 765 84 10 Jan 2025 316th jatloe 765 104 1 Oct 2024 317th DialFrost 🇸🇬 765 121 11 days ago 318th Shanethegamer 🇺🇸 763 124 4 Oct 2024 319th DialFrost 🇸🇬 763 131 11 Dec 2024 320th GolfingSuccess 🇬🇷 762 70 6 Jun 2025 321st ovs-code 🇩🇪 762 122 25 Apr 2025 322nd GrayJoKing 🇦🇺 761 79 1 Oct 2024 323rd MeWhenI 🇻🇦 761 109 2 Oct 2024 323rd edsrzf 🇳🇿 761 109 23 Jul 2025 325th MeWhenI 🇻🇦 758 89 2 Oct 2024 326th fourth-bit 758 105 1 Oct 2024 326th jared-hughes 758 105 3 Oct 2024 326th mattyhempstead 758 105 7 Oct 2024 329th Shanethegamer 🇺🇸 758 132 2 Oct 2024 330th emgordon154 757 63 18 Nov 2024 330th SirBogman 🇺🇸 757 63 19 Jul 2025 332nd weliveinhell 🇭🇹 756 85 1 Oct 2024 332nd SteRoy 756 85 13 May 2025 334th sean-niemann 🇺🇸 754 93 24 Oct 2024 335th MeWhenI 🇻🇦 751 88 2 Oct 2024 336th davecame 751 106 1 Oct 2024 336th starfihs 751 106 2 Oct 2024 336th rschwa6308 🇺🇸 751 106 28 Oct 2024 336th snydej 751 106 21 Nov 2024 336th andrewjc2000 751 106 17 Jul 2025 336th qpwoeirut 751 106 19 Aug 2025 342nd albanian-laundromat 750 127 7 Sep 2025 343rd 0xjac 🇨🇭 750 158 17 Jun 2025 344th GrayJoKing 🇦🇺 749 90 1 Oct 2024 345th stackofbears 748 52 14 Mar 2025 346th Maznek 748 86 4 Oct 2024 347th rak1507 🇬🇧 747 38 30 Dec 2024 348th MeWhenI 🇻🇦 746 89 24 Oct 2024 349th stefangimmillaro 746 94 30 Oct 2024 350th Shanethegamer 🇺🇸 745 64 3 Oct 2024 350th Andriamanitra 🇫🇮 745 64 5 Oct 2024 352nd MeWhenI 🇻🇦 745 106 2 Oct 2024 353rd commandblockguy 🇺🇸 744 107 7 Oct 2024 353rd zbreit 🇺🇸 744 107 29 Oct 2024 353rd StardustGogeta 744 107 30 Oct 2024 353rd ZakkkkAttackkkk 🇵🇭 744 107 8 Feb 2025 353rd InigoK 🇺🇸 744 107 13 days ago 358th sean-niemann 🇺🇸 743 93 24 Oct 2024 359th DialFrost 🇸🇬 742 106 13 Dec 2024 360th SirBogman 🇺🇸 741 63 23 Jul 2025 361st sean-niemann 🇺🇸 740 116 24 Oct 2024 362nd KrausRaus 🇺🇸 739 87 1 Oct 2024 362nd GeorgeStechman 🇬🇧 739 87 24 Oct 2024 362nd coreynash 739 87 13 Feb 2025 365th Shanethegamer 🇺🇸 738 90 28 Oct 2024 366th DialFrost 🇸🇬 737 76 9 Oct 2024 367th neihousaigaai 737 108 4 Oct 2024 367th StefanHabel 🇨🇦 737 108 23 Jan 2025 367th CaedenHarper 🇨🇦 737 108 22 Jul 2025 367th BrunoVisnadi 737 108 4 days ago 371st MeWhenI 🇻🇦 735 34 2 Oct 2024 371st emgordon154 735 34 25 days ago 373rd lifthrasiir 🇰🇷 734 90 2 Dec 2024 374th MeWhenI 🇻🇦 734 162 2 Oct 2024 375th stefangimmillaro 733 92 2 Oct 2024 First Prev 301–375 of 769 Next Last